<!--
 * @Author: Bo Cai
 * @Mail: caibo0520@qq.com
 * @Date: 2021-10-06 02:13:11
 * @LastEditors: Bo Cai
 * @LastEditTime: 2021-10-06 23:36:24
-->
<template>
    <div class="app-container">
        <el-form label-width="120px">
            <el-form-item label="信息描述">
                <el-tag type="info">excel模版说明</el-tag>
                <el-tag>
                    <i class="el-icon-download" />
                    <a
                        :href="
                            OSS_PATH +
                            '/excel/%E8%AF%BE%E7%A8%8B%E5%88%86%E7%B1%BB%E5%88%97%E8%A1%A8%E6%A8%A1%E6%9D%BF.xls'
                        "
                        >点击下载模版</a
                    >
                </el-tag>
            </el-form-item>

            <el-form-item label="选择Excel">
                <el-upload
                    ref="upload"
                    :auto-upload="false"
                    :on-success="fileUploadSuccess"
                    :on-error="fileUploadError"
                    :disabled="importBtnDisabled"
                    :limit="1"
                    :action="BASE_API + '/eduService/subject/import'"
                    name="file"
                    accept="application/vnd.ms-excel"
                >
                    <el-button slot="trigger" size="small" type="primary"
                        >选取文件</el-button
                    >
                    <el-button
                        :loading="loading"
                        style="margin-left: 10px"
                        size="small"
                        type="success"
                        @click="submitUpload"
                        >{{ fileUploadBtnText }}</el-button
                    >
                </el-upload>
            </el-form-item>
        </el-form>
    </div>
</template>
<script>
export default {
    data() {
        return {
            BASE_API: process.env.BASE_API, // 接口API地址
            OSS_PATH: process.env.OSS_PATH, // 阿里云OSS地址
            fileUploadBtnText: '上传到服务器', // 按钮文字
            importBtnDisabled: false, // 按钮是否禁用,
            loading: false,
        }
    },
    created() {},
    methods: {
        submitUpload() {
            this.fileUploadBtnText = '正在上传'
            this.importBtnDisabled = true
            this.loading = true
            this.$refs.upload.submit()
        },
        fileUploadSuccess(response) {
            if (response.success === true) {
                this.fileUploadBtnText = '导入成功'
                this.loading = false
                this.$message({
                    type: 'success',
                    message: response.message,
                })
                // 跳转到列表
                this.$router.push('/subject/list')
            }
        },
        fileUploadError(response) {
            this.fileUploadBtnText = '导入失败'
            this.loading = false
            this.$message({
                type: 'error',
                message: '导入失败',
            })
        },
    },
}
</script>